Identifying low-battery conditions ....................................................................................... 24
Low-battery condition ........................................................................................ 24
Critical low-battery condition ............................................................................. 24
Resolving low-battery conditions ....................................................................................... 25
When external power is available ..................................................................... 25
When a charged battery pack is available ........................................................ 25
When no power source is available .................................................................. 25
When the computer cannot restore from hibernation ........................................ 25
Calibrating a battery pack ................................................................................................................... 26
When to calibrate ............................................................................................................... 26
How to calibrate ................................................................................................................. 26
Step 1: Charging the battery pack ..................................................................... 26
Step 2: Discharging the battery pack ................................................................ 27
Step 3: Recharging the battery pack ................................................................. 28
Conserving battery power .................................................................................................................. 29
Conserving power as you work .......................................................................................... 29
Selecting power conservation settings .............................................................................. 29
Storing a battery pack ........................................................................................................................ 30
Disposing of a used battery pack ....................................................................................................... 30
Index ................................................................................................................................................................. 31
iv ENWW